Finding the Third Proportional to 162,715.50 and 337,728

Step by Step Solution

1. Step 1: Write the proportion equation
   162,715.50 : 337,728 = 337,728 : x
2. Step 2: Convert to fraction form
   162,715.50/337,728 = 337,728/x
3. Step 3: Cross multiply
   162,715.50x = 337,728 × 337,728
4. Step 4: Simplify right side
   162,715.50x = 114,060,201,984
5. Step 5: Solve for x
   x = 114,060,201,984/162,715.50
6. Step 6: Final answer
   x = 700,979.33